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DanielleElmas [232]
2 years ago
15

Solve this system by substitution, y = 4x + 12. -3x + 2y = 4​

Mathematics
1 answer:
asambeis [7]2 years ago
8 0

Step-by-step explanation:

in equation 1

y=4x+12

so now

eqs 2

2y=4+3x

then

-y=x+8

y= -x-8

so

-x-8=4x+12

-20=5x

-4=x

so

y= 4-8

y=-4

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Alicia ran 5 miles over the weekend. Approximately how many kilometers did she run? [Use the conversion 1 mile ≈ 1.6 kilometers.
Svet_ta [14]

Answer:

Total distance Alicia run in kilometer = 8 Kilometer

Step-by-step explanation:

Given:

Total distance Alicia run = 5 miles

1 mile ≈ 1.6 kilometer

Find:

Total distance Alicia run in kilometer

Computation:

Total distance Alicia run in kilometer = 1.6 × 5

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2 years ago
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The answer is 0.555556 I really hope this helps!                      
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Find the value of Z.<br> A)7<br> B)9<br> C)11<br> D)12
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As per the isosceles triangle theorem, if the two base angles are congruent then the legs are also congruent, so we must set the two legs equal to each other:

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Choose all of the equations that have the solution x = -
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x - = answer: x = +

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4 0
3 years ago
Help easy question!!
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Then when you look at the second one, it goes right one and up four.

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